GMA-084 Bound training wife. A wife who can't be satisfied by her husband learns rope bondage through infidelity. She falls into perverted pleasure with a sense of taboo and the tricks of fate. Hikaru Miyanishi

Hikaru, who is not satisfied with her sex life with her husband, starts cheating on him with a man she met on a secret matchmaking app. Interested in SM, she accepts the man's rope fetish and, though confused, becomes hooked on the new sensation. Since then, she had been lying to her husband and secretly meeting a man, getting tied up, tormented, and raped, enjoying the stimulating pleasure. One day, her drunk husband returned home with a colleague...